CN107655167A - A kind of control method and device of air conditioner motor - Google Patents
A kind of control method and device of air conditioner motor Download PDFInfo
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- CN107655167A CN107655167A CN201710848253.8A CN201710848253A CN107655167A CN 107655167 A CN107655167 A CN 107655167A CN 201710848253 A CN201710848253 A CN 201710848253A CN 107655167 A CN107655167 A CN 107655167A
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Abstract
The invention discloses a kind of control method of air conditioner motor, belong to air-conditioning technical field.Control method includes：Motor is obtained with the first input voltage during first electrode mode operation；When the first input voltage is less than the first operating voltage threshold value and continues the first setting duration, for controlled motor from first electrode pattern switching to second electrode pattern, the electrode connection quantity of first electrode pattern is more than the electrode connection quantity of second electrode pattern.The present invention is when the input voltage of motor is reduced to certain value and certain time, it can be switched by the motor mode of motor to open the high-speed state of motor, motor " is turned round " problem with respect to reducing, reduce the operating load of motor, complete machine operating is adapted to lower input voltage.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of control method and device of air conditioner motor.
Background technology
At present, one of condition of air-conditioning products stable operation is stable operating voltage, if the work electricity of air-conditioning input
Height is pressed through, then may burn out the electronic device inside air-conditioning；If the operating voltage of air-conditioning input is too low, air-conditioning may be caused
The problem of can not running.
And because the size rural area in the whole nation is not completely covered also in national grid, therefore, the voltage of part remote districts
There can be the problem of fluctuation, unstable；In addition, in national grid covering really, due to the user power utilization mistake of peak times of power consumption
It is more, it will also result in the problem of voltage continues Lower state.These problems can all cause air-conditioning not start normally, motor can not be just
Often operating, influences the use of user.
The content of the invention
The invention provides a kind of control method and device of air conditioner motor, it is intended to solves caused by voltage pulsation
The problem of air conditioner motor can not run well.In order to which some aspects of the embodiment to disclosure have a basic understanding, below
Give simple summary.The summarized section is not extensive overview, nor to determine key/critical component or describe this
The protection domain of a little embodiments.Its sole purpose is that some concepts are presented with simple form, in this, as below specifically
Bright preamble.
According to the first aspect of the invention, there is provided a kind of control method of air conditioner motor, including：Motor is obtained with the
The first input voltage when one electrode mode is run；Set when the first input voltage is less than the first operating voltage threshold value and continues first
When regularly long, controlled motor is from first electrode pattern switching to second electrode pattern, the electrode connection quantity of first electrode pattern
More than the electrode connection quantity of second electrode pattern.
In a kind of optional technical scheme, control method also includes：In the first setting duration, when the first input voltage
During higher than the first operating voltage threshold value, controlled motor maintains first electrode pattern.
In a kind of optional technical scheme, control method also includes：Motor is obtained with during second electrode mode operation
Second input voltage；When the second input voltage is higher than the second operating voltage threshold value and continues the second setting duration, controlled motor
From second electrode pattern switching to the first motor mode；Wherein, the second operating voltage threshold value is more than the first operating voltage threshold value.
In a kind of optional technical scheme, control method also includes：When the first input voltage of motor is higher than motor
When the first ratio value of rated voltage or the second ratio value less than the first operating voltage threshold value, control maintains the first of motor
Electrode mode is constant；Or when the second input voltage of motor is higher than the first ratio value of the rated voltage of motor or is less than
During the second ratio value of the first operating voltage threshold value, control maintains the second electrode pattern of motor constant.
In a kind of optional technical scheme, motor is double-speed motor, and the electrode connection quantity of first electrode pattern is 6
Root, the electrode connection quantity of second electrode pattern is 4.
According to the second aspect of the invention, a kind of control device of air conditioner motor is additionally provided, including：First obtains list
Member, for obtaining motor with the first input voltage during first electrode mode operation；First switch unit, for when the first input
Voltage is less than the first operating voltage threshold value and when continuing the first setting duration, and controlled motor is from first electrode pattern switching to second
Electrode mode, the electrode connection quantity of first electrode pattern are more than the electrode connection quantity of second electrode pattern.
In a kind of optional technical scheme, the first switch unit is additionally operable to：In the first setting duration, when the first input
When voltage is higher than the first operating voltage threshold value, controlled motor maintains first electrode pattern.
In a kind of optional technical scheme, control device also includes：Second acquisition unit, for obtaining motor with second
The second input voltage when electrode mode is run；Second switch unit, for being higher than the second operating voltage when the second input voltage
Threshold value and when continuing the second setting duration, controlled motor is from second electrode pattern switching to the first motor mode；Wherein, the second work
Make voltage threshold and be more than the first operating voltage threshold value.
In a kind of optional technical scheme, control device also includes：First control unit, for first defeated when motor
Enter first ratio value of the voltage higher than the rated voltage of motor or during the second ratio value less than the first operating voltage threshold value, control
System maintains the first electrode pattern of motor constant；Second control unit, for when the second input voltage of motor is higher than motor
When the first ratio value of rated voltage or the second ratio value less than the first operating voltage threshold value, control maintains the second of motor
Electrode mode is constant.
In a kind of optional technical scheme, motor is double-speed motor, and the electrode connection quantity of first electrode pattern is 6
Root, the electrode connection quantity of second electrode pattern is 4.
The present invention can pass through the motor of motor when the input voltage of motor is reduced to certain value and certain time
Pattern switching opens the high-speed state of motor, and motor " is turned round ", problem is relative reduces, and reduces the operating load of motor, makes
Complete machine operating adapts to lower input voltage.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not
Can the limitation present invention.
Brief description of the drawings
Fig. 1 is the flow chart one of the control method of the present invention according to shown by an exemplary embodiment；
Fig. 2 is the flowchart 2 of the control method of the present invention according to shown by an exemplary embodiment；
Fig. 3 is the flow chart 3 of the control method of the present invention according to shown by an exemplary embodiment；
Fig. 4 is the structural representation one of the control device of the present invention according to shown by an exemplary embodiment；
Fig. 5 is the structural representation two of the control device of the present invention according to shown by an exemplary embodiment.
Embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Other embodiments can include structure, logic, it is electric, process and other change.Embodiment
Only represent possible change.Unless explicitly requested, otherwise single components and functionality is optional, and the order operated can be with
Change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The scope of bright embodiment includes the gamut of claims, and claims is all obtainable equivalent
Thing.Herein, each embodiment individually or can be represented generally with term " invention ", and it is convenient that this is used for the purpose of,
And if in fact disclosing the invention more than one, the scope for being not meant to automatically limit the application is any single invention
Or inventive concept.Herein, such as first and second or the like relational terms be used only for by an entity or operation with
Another entity or operation make a distinction, and any actual relation be present between these entities or operation without requiring or implying
Or order.Moreover, term " comprising ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so as to
So that process, method or equipment including a series of elements not only include those key elements, but also including being not expressly set out
Other element, or also include for this process, method or the intrinsic key element of equipment.In the feelings not limited more
Under condition, the key element that is limited by sentence "including a ...", it is not excluded that in the process including the key element, method or equipment
In other identical element also be present.Each embodiment herein is described by the way of progressive, and each embodiment stresses
Be all difference with other embodiment, between each embodiment identical similar portion mutually referring to.For implementing
For method, product etc. disclosed in example, due to its with embodiment disclosed in method part it is corresponding, so the comparison of description is simple
Single, related part is referring to method part illustration.
In general, the outdoor unit of air-conditioning are provided with the motor of driving outdoor fan rotation, and the transmission of electricity of motor is connected in air-conditioning
After circuit, the rotor and stator of motor relatively rotate, and drive outdoor fan to rotate by motor crankshaft, so as to accelerate outdoor
The air circulation of heat exchanger the week side of boss.
In embodiments of the invention, the motor type for being installed on outdoor unit is double-speed motor, and double-speed motor is in work
, can be by changing the connected mode of winding, to change its rotating speed when making.The present invention is according to the electricity for actually entering motor
The size of pressure value, the connected mode of the winding by adjusting double-speed motor, so that double-speed motor is in the relatively low feelings of its input voltage
It under condition, can still maintain higher rotating speed to run, ensure the radiating effect between outdoor heat exchanger and outdoor environment.
Specifically, Fig. 1 is the flow of the control method of the air conditioner motor of the present invention according to shown by an exemplary embodiment
Figure one.
As shown in figure 1, the invention provides a kind of control method of air conditioner motor, including：
S101, motor is obtained with the first input voltage during first electrode mode operation；
In embodiment, in the case of air-conditioning access normal working voltage, motor is typically run with the first motor mode,
That is, under regular situation, the motor of air-conditioning is given tacit consent to be run with the first motor mode, and now, the outdoor fan that motor is driven turns
Speed meets the radiating requirements of outdoor heat exchanger of air conditioner.
Multiple electronic components such as electric-controlled plate, motor, display screen, the operating voltage of different electronic components are provided with air-conditioning
Difference, therefore, air-conditioning supply its corresponding voltage x current to different electronic components respectively after household electrical source is accessed,
Step S101 is to obtain the air-conditioning of the Connection Mode of motor when be first electrode pattern to be delivered to the voltage of motor, and is used as the
One input voltage.
S102, judge whether the first input voltage is less than the first operating voltage threshold value, if it is, step S103 is performed,
If it is not, then flow terminates；
First operating voltage threshold value is preset value, and related to required outdoor fan rotating speed under air conditioning condition；One
In embodiment, the first operating voltage threshold value is electricity of the outdoor fan in the case where setting operating mode corresponding to required minimum rotation speed of fan
The operational voltage value of machine, i.e. when inputting the voltage corresponding to the first operating voltage threshold value to motor, outdoor that motor is driven
The rotating speed of blower fan can meet the minimum windspeed requirement under air-conditioning current working.
And the voltage inputted to motor is when being less than the first operating voltage threshold value, the rotating speed of outdoor fan declines, then not
The minimum windspeed requirement under current working can be met, the rate of heat dispation of outdoor heat exchanger is limited.
So, to ensure the radiating effect of the rotating speed of outdoor fan and outdoor heat exchanger, the present invention is needed in input voltage
The electrode connection pattern of switch motor when relatively low, to improve the rotating speed of outdoor fan.
S103, record and accumulative first input voltage are less than the single duration of the first operating voltage threshold value；
S104, judge whether single duration is more than or equal to the first setting duration, if it is, performing step
S105, S101 is performed if it is not, then returning；
In the single flow of embodiment, the voltage in the first input voltage first fit step S102 of air conditioner motor
It is required that when, air-conditioning starts timing；Afterwards, (such as 5s) repeats step S101 to air-conditioning at set time intervals, obtains per 5s
First input voltage of the motor after interval, and rejudge whether the first input voltage newly obtained meets step S102's
Condition, if it is satisfied, then adding up into single duration；Afterwards, judge whether accumulative single duration is more than or waits
Duration is set in first, if be unsatisfactory for, continues executing with above-mentioned flow.
If being unsatisfactory for step S102 condition, i.e. the first input voltage is higher than the first operating voltage threshold value, then current tired
The duration of meter is reset, and single flow terminates；
S105, controlled motor are from first electrode pattern switching to second electrode pattern；
In general, for double-speed motor, motor wiring quantity is reduced, then the rotating speed increase of its actual rotating shaft, therefore, this hair
Bright is the second electricity that controlled motor switches to motor wiring negligible amounts from a fairly large number of first motor mode of electrode connection
Machine pattern, so that the rotating speed of motor improves, and motor speed is set to level off to required rotating speed under the conditions of normal voltage.
The present invention can pass through the motor of motor when the input voltage of motor is reduced to certain value and certain time
Pattern switching opens the high-speed state of motor, and motor " is turned round ", problem is relative reduces, and reduces the operating load of motor, makes
Complete machine operating adapts to lower input voltage.
Preferably, in one embodiment, the double-speed motor that air-conditioning is configured includes first electrode pattern and second electrode mould
Formula, wherein, the electrode connection quantity of first electrode pattern is 6 poles, and the motor wiring quantity of second electrode pattern is 4 poles.So,
When performing step S105, the electrode connection quantity of controlled motor is changed into 4 poles from 6 poles, and now, motor is in relatively low input voltage
Under can still maintain higher rotating speed.
In embodiment, if the condition for being unsatisfactory for step S102 acquired after certain 5s interval, i.e. single
In the case of meeting that duration that S102 voltage request is accumulated is unsatisfactory for the first setting duration in flow, then controlled motor maintains
First electrode pattern.So, the electrode mode of controlled motor is by first electrode pattern switching to second electrode pattern, it is also necessary to full
Foot first setting duration in, the first input voltage is consistently lower than the condition of the first operating voltage threshold value, so as to avoid because
Voltage pulsation and caused by judge problem by accident, improve the accuracy of air conditioner motor electrode mode control.
Fig. 2 is the flowchart 2 of the control method of the present invention according to shown by an exemplary embodiment.
The control method of the present invention is applicable to the remote districts of voltage instability, and common regional electricity peak period
The motor control of air-conditioning products, and in non-electrical peak time, the voltage for the household electrical source that air-conditioning is accessed can typically maintain
The normal operation of air conditioner motor, now, if motor still with second electrode mode operation, can cause the actual speed mistake of motor
Height, cause extra energy consumption.Therefore, as shown in Fig. 2 when the motor of air-conditioning is run in a second mode, control method of the present invention
Also include：
S201, motor is obtained with the second input voltage during second electrode mode operation；
Similar with step S101, step S201 is that the air-conditioning when Connection Mode of acquisition motor is second electrode pattern is defeated
The voltage of motor is delivered to, and is used as the second input voltage.
S202, judge whether the second input voltage is less than the second operating voltage threshold value, if it is, step S203 is performed,
If it is not, then flow terminates；
Second operating voltage threshold value is also preset value, and equally with required outdoor fan rotating speed phase under air conditioning condition
Close；In one embodiment, the second operating voltage threshold value is slightly larger than or equal to the first operating voltage threshold value in previous embodiment；This
Sample, when inputting the voltage corresponding to the second operating voltage threshold value to motor, the rotating speed for the outdoor fan that motor is driven can
Meet the minimum windspeed requirement under air-conditioning current working.
S203, record and accumulative second input voltage are less than the single duration of the second operating voltage threshold value；
S204, judge whether single duration is more than or equal to the second setting duration, if it is, performing step
S205, S201 is performed if it is not, then returning；
In embodiment, step S203-S204 idiographic flow can refer to the S103-S104 in previous embodiment, herein
Do not repeat.
S205, controlled motor are from second electrode pattern switching to first electrode pattern.
In step S201-S205, the present invention is to meet electricity under air-conditioning current working in the second input voltage of motor
In the case that machine normal work needs, controlled motor switches to motor wiring from the second motor mode of electrode connection negligible amounts
A fairly large number of first motor mode, to offset the rotating speed heightened because the input voltage of motor increases, allow motor with just
Normal rotating speed maintains operation, reduce motor high speed rotating speed and caused by extra power consumption.
In one embodiment, control method also includes：When the first input voltage of motor is higher than the rated voltage of motor
During the first ratio value, control maintains the first electrode pattern of motor constant.Preferably, the first ratio value is rated voltage
90%；During the first ratio value of the rated voltage for being higher than motor when the first input voltage of motor, the first input voltage and volume
The difference for determining voltage is 10% or so of rated voltage, and now, the input voltage of motor is close to the voltage of motor normal work, room
Outer blower fan can run well, and therefore, can maintain motor constant under front electrode pattern.
Or when the first input voltage of motor is less than the second ratio value of the first operating voltage threshold value, control maintains
The first electrode pattern of motor is constant；Preferably, the second ratio value is the 90% of the first operating voltage threshold value, i.e. the when motor
When one input voltage is less than the second ratio value of the first operating voltage threshold value, the first input voltage and the first operating voltage threshold value
Difference is 10% or so of volume the first operating voltage threshold value, and now, the input voltage of motor is less than the voltage of motor normal work,
Outdoor fan can not normal operation, now, can control motor to close, the electrode mode of motor is also constant.
In another embodiment, control method also includes：When the second input voltage of motor is higher than the rated voltage of motor
The first ratio value when, control maintain motor second electrode pattern it is constant.Preferably, the first ratio value is rated voltage
90%；During the first ratio value of the rated voltage for being higher than motor when the second input voltage of motor, the second input voltage and volume
The difference for determining voltage is 10% or so of rated voltage, and now, the input voltage of motor is close to the voltage of motor normal work, room
Outer blower fan can run well, and therefore, can maintain motor constant under front electrode pattern.
Or when the second input voltage of motor is less than the second ratio value of the first operating voltage threshold value, control maintains
The second electrode pattern of motor is constant；Preferably, the second ratio value is the 90% of the first operating voltage threshold value, i.e. the when motor
When two input voltages are less than the second ratio value of the first operating voltage threshold value, the second input voltage and the first operating voltage threshold value
Difference is 10% or so of volume the first operating voltage threshold value, and now, the input voltage of motor is less than the voltage of motor normal work,
Outdoor fan can not normal operation, now, can control motor to close, the electrode mode of motor is also constant.
Fig. 3 is the flow chart 3 of the control method of the present invention according to shown by an exemplary embodiment, in Fig. 3 applied field
Jing Zhong, the flow of air conditioner motor control method of the present invention are specific as follows：
S301, obtain the first input voltage V1；
In embodiment, during air-conditioning initial launch, the motor of air-conditioning is given tacit consent to first electrode mode operation, now, motor
Electrode connection quantity be 6 poles；
S302, judge whether the first input voltage V1 is higher than 0.9Vu, or whether V1 is less than 0.9Ve, if it is, holding
Row step S313, if it is not, then performing step S303；
In the present embodiment, it is the rated voltage of motor for 0.9Vu, Vu, 0.9 is the first ratio value；
For 0.9Ve, Ve is the first operating voltage threshold value, and 0.9 is the second ratio value；
S303, judge whether the first input voltage V1 is less than Ve, if it is, step S304 is performed, if it is not, then flow
Terminate；
In the present embodiment, the first input voltage V1 is not less than Ve, then flow terminates, and motor still maintains current electrode mould
Formula is constant, you can performs step S313；
S304, record and accumulative first input voltage V1 are less than Ve single duration；
S305, judge whether single duration is more than or equal to T1, if it is, step S306 is performed, if it is not, then
Return and perform S301；
In the present embodiment, T1 is the first setting duration；
In the present embodiment, when being unsatisfactory for S305 condition, again returning to execution step S301 and subsequent step, no longer
Perform the judgement flow in S302；
S306, controlled motor are from first electrode pattern switching to second electrode pattern；
S307, obtain the second input voltage V2；
In embodiment, the second input voltage V2 is the motor of air-conditioning with the first electrode mode operation when institute after switching
The input voltage of reception, now, the electrode connection quantity of motor is 4 poles；
S308, judge whether the second input voltage V2 is higher than 0.9Vu, or whether V1 is less than 0.9Ve, if it is, holding
Row step S313, if it is not, then performing step S309；
In the present embodiment, it is the rated voltage of motor for 0.9Vu, Vu, 0.9Vu is the first ratio value；
For 0.9Ve, Ve is the first operating voltage threshold value, and 0.9Ve is the second ratio value；
S309, judge whether the second input voltage V2 is less than Vp, if it is, step S310 is performed, if it is not, then flow
Terminate；
In the present embodiment, Vp is the second operating voltage threshold value, in general, and Vp is more than Ve；
In the present embodiment, the second input voltage V2 is not less than Vp, then flow terminates, and motor still maintains current electrode mould
Formula is constant, you can performs step S313；
S310, record and accumulative second input voltage V2 are less than Vp single duration；
S311, judge whether single duration is more than or equal to T2, if it is, step S312 is performed, if it is not, then
Return and perform S307；
In the present embodiment, T2 is the second setting duration；
In the present embodiment, when being unsatisfactory for S311 condition, again returning to execution step S307 and subsequent step, no longer
Perform the judgement flow in S308；
S312, controlled motor terminate from second electrode pattern switching to first electrode pattern, flow；
The current operational mode of S313, maintenance motor is constant, and flow terminates.
It should be appreciated that when the power supply that air-conditioning is accessed is normal voltage, then air conditioner motor keep giving tacit consent to the
One electrode mode is run, and now, motor driving outdoor fan runs well；And the power supply in air-conditioning access is less than normal voltage
When, then air-conditioning can be controlled to perform S301-S306 electrode mode switch step, so that air conditioner motor can be in the feelings of low-voltage
Higher rotating speed is kept under condition, so as to ensure the radiating effect to outdoor radiator；And when the supply voltage of air-conditioning access is by low
Voltage recovers to normal voltage, then can perform S307-S312 electrode mode switch step, by the electrode mould of motor
Formula is recovered to the electrode mode of acquiescence, prevents the too fast caused additional energy of motor speed.
Control method disclosed in this invention is not limited only to the motor control for outdoor unit, for using same or like
It should also be included in the motor control of the indoor apparatus of air conditioner of above-mentioned control method within the scope of the present invention.
Fig. 4 is the structural representation one of the control device of the present invention according to shown by an exemplary embodiment.
As shown in figure 4, the present invention also additionally provides a kind of control device of air conditioner motor, including：
First acquisition unit 401, for obtaining motor with the first input voltage during first electrode mode operation；
First switch unit 402, for less than the first operating voltage threshold value and continuing the first setting when the first input voltage
During duration, for controlled motor from first electrode pattern switching to second electrode pattern, the electrode connection quantity of first electrode pattern is big
In the electrode connection quantity of second electrode pattern.
Fig. 5 is the structural representation two of the control device of the present invention according to shown by an exemplary embodiment.
The present invention also additionally provides a kind of control device of air conditioner motor, including：
First acquisition unit 511, for obtaining motor with the first input voltage during first electrode mode operation；
First switch unit 512, for less than the first operating voltage threshold value and continuing the first setting when the first input voltage
During duration, for controlled motor from first electrode pattern switching to second electrode pattern, the electrode connection quantity of first electrode pattern is big
In the electrode connection quantity of second electrode pattern.
In a kind of optional technical scheme, the first switch unit 502 is additionally operable to：In the first setting duration, when first
When input voltage is higher than the first operating voltage threshold value, controlled motor maintains first electrode pattern.
In a kind of optional technical scheme, control device also includes：
Second acquisition unit 521, for obtaining motor with the second input voltage during second electrode mode operation；
Second switch unit 522, for higher than the second operating voltage threshold value and continuing the second setting when the second input voltage
During duration, controlled motor is from second electrode pattern switching to the first motor mode；Wherein, the second operating voltage threshold value is more than first
Operating voltage threshold value.
In a kind of optional technical scheme, control device also includes：
First control unit 531, the first ratio of the rated voltage for being higher than motor when the first input voltage of motor
When value or the second ratio value less than the first operating voltage threshold value, control maintains the first electrode pattern of motor constant；
Second control unit 532, the first ratio of the rated voltage for being higher than motor when the second input voltage of motor
When value or the second ratio value less than the first operating voltage threshold value, control maintains the second electrode pattern of motor constant.
In a kind of optional technical scheme, motor is double-speed motor, and the electrode connection quantity of first electrode pattern is 6
Root, the electrode connection quantity of second electrode pattern is 4.
It should be appreciated that the invention is not limited in the flow and structure for being described above and being shown in the drawings,
And various modifications and changes can be being carried out without departing from the scope.The scope of the present invention is only limited by appended claim
System.
Claims (10)
- A kind of 1. control method of air conditioner motor, it is characterised in that including：The motor is obtained with the first input voltage during first electrode mode operation；When first input voltage is less than the first operating voltage threshold value and when continuing the first setting duration, control the motor from First electrode pattern switching to second electrode pattern, the electrode connection quantity of the first electrode pattern is more than the second electrode The electrode connection quantity of pattern.
- 2. control method according to claim 1, it is characterised in that also include：In the described first setting duration, when first input voltage is higher than the first operating voltage threshold value, the electricity is controlled Machine maintains the first electrode pattern.
- 3. control method according to claim 1, it is characterised in that also include：The motor is obtained with the second input voltage during the second electrode mode operation；When second input voltage is higher than the second operating voltage threshold value and when continuing the second setting duration, control the motor from The second electrode pattern switching is to the first motor mode；Wherein, the second operating voltage threshold value is more than the first operating voltage threshold value.
- 4. control method according to claim 3, it is characterised in that also include：When the first input voltage of the motor is higher than the first ratio value of the rated voltage of the motor or less than described the During the second ratio value of one operating voltage threshold value, control maintains the first electrode pattern of motor constant；Or when the second input voltage of the motor is higher than the first ratio value of the rated voltage of the motor or less than institute When stating the second ratio value of the first operating voltage threshold value, control maintains the second electrode pattern of motor constant.
- 5. control method according to claim 1, it is characterised in that the motor is double-speed motor, the first electrode The electrode connection quantity of pattern is 6, and the electrode connection quantity of second electrode pattern is 4.
- A kind of 6. control device of air conditioner motor, it is characterised in that including：First acquisition unit, for obtaining the motor with the first input voltage during first electrode mode operation；First switch unit, for less than the first operating voltage threshold value and continuing the first setting duration when first input voltage When, the motor is controlled from first electrode pattern switching to second electrode pattern, the electrode connection number of the first electrode pattern Electrode connection quantity of the amount more than the second electrode pattern.
- 7. control device according to claim 6, it is characterised in that first switch unit is additionally operable to：In the described first setting duration, when first input voltage is higher than the first operating voltage threshold value, the electricity is controlled Machine maintains the first electrode pattern.
- 8. control device according to claim 6, it is characterised in that also include：Second acquisition unit, for obtaining the motor with the second input voltage during the second electrode mode operation；Second switch unit, for higher than the second operating voltage threshold value and continuing the second setting duration when second input voltage When, the motor is controlled from the second electrode pattern switching to the first motor mode；Wherein, the second operating voltage threshold value is more than the first operating voltage threshold value.
- 9. control device according to claim 8, it is characterised in that also include：First control unit, the first ratio of the rated voltage for being higher than the motor when the first input voltage of the motor When value or the second ratio value less than the first operating voltage threshold value, control maintains the first electrode pattern of motor constant；Second control unit, the first ratio of the rated voltage for being higher than the motor when the second input voltage of the motor When value or the second ratio value less than the first operating voltage threshold value, control maintains the second electrode pattern of motor constant.
- 10. control device according to claim 6, it is characterised in that the motor is double-speed motor, the first electrode The electrode connection quantity of pattern is 6, and the electrode connection quantity of second electrode pattern is 4.
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| CN201710848253.8A CN107655167A (en) | 2017-09-19 | 2017-09-19 | A kind of control method and device of air conditioner motor |
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| CN201710848253.8A CN107655167A (en) | 2017-09-19 | 2017-09-19 | A kind of control method and device of air conditioner motor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173834A (en) * | 2019-05-10 | 2019-08-27 | 广东美的制冷设备有限公司 | Control method, device and the air conditioner of air conditioner |
| CN110173835A (en) * | 2019-05-10 | 2019-08-27 | 广东美的制冷设备有限公司 | Control method, device and the air conditioner of air conditioner |
| CN112161381A (en) * | 2020-09-07 | 2021-01-01 | 珠海格力电器股份有限公司 | Air conditioner control method and device, air conditioner and storage medium |
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| CN110173834A (en) * | 2019-05-10 | 2019-08-27 | 广东美的制冷设备有限公司 | Control method, device and the air conditioner of air conditioner |
| CN110173835A (en) * | 2019-05-10 | 2019-08-27 | 广东美的制冷设备有限公司 | Control method, device and the air conditioner of air conditioner |
| CN110173834B (en) * | 2019-05-10 | 2021-04-20 | 广东美的制冷设备有限公司 | Control method and device of air conditioner and air conditioner |
| CN112161381A (en) * | 2020-09-07 | 2021-01-01 | 珠海格力电器股份有限公司 | Air conditioner control method and device, air conditioner and storage medium |
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